Use this fraction calculator to perform all the main calculations on simple or mixed fractions. We support addition, subtraction, multiplication, division of fractions, fraction simplification, and two types of conversions: fraction to decimal and decimal to fraction.

3 options➗ Fractions, Percentages & Ratios

Scientific Notation Calculator5 options

Converting between standard decimal format and scientific notation becomes effortless with this specialized calculator. It streamlines the process of expressing extremely large or small values by calculating the appropriate coefficient and exponent. Whether working on physics homework, engineering projects, or data analysis, users can quickly transform complex digits into a readable, standardized format that follows mathematical conventions. The calculator provides an immediate way to understand the scale of a number by identifying its power of ten. It helps eliminate errors that often occur when manually counting decimal places or zeros in lengthy strings. By providing clear results, it serves as an educational aid for those learning the fundamental rules of notation or as a practical utility for professionals who need to ensure accuracy in their calculations.

5 options

🔢 Number Theory & Sequences

Big Number Calculator5 options

Defuse’s Online Big Number Calculator supports arithmetic on very large values and includes base conversion and bitwise operators. It is free to use in-browser and is designed for high-precision or large-integer style calculations without requiring a paid plan.

5 options🔢 Math & Numbers

Random number generator4 options

Two free random number generators that work in user-defined min and max range. Both random integers and decimal numbers can be generated with high precision.

4 options📈 Statistics

Percentage Calculator3 options

Calculating percentages manually often leads to errors or unnecessary complexity in daily tasks. The Percentage Calculator simplifies these operations by providing a versatile interface for various mathematical requirements. Users can quickly determine what percent one number is of another, find the value of a specific percentage, or calculate the total value when only a portion and its percentage are known. It serves students, professionals, and anyone needing fast, reliable results for common arithmetic problems. Beyond basic calculations, the utility handles more complex scenarios such as percentage increases, decreases, and the difference between two specific values. This makes it particularly valuable for financial analysis, tracking changes in data sets, or comparing values in retail and scientific contexts. By automating the underlying formulas, the calculator ensures accuracy while saving time, allowing users to focus on interpreting their results rather than performing manual calculations.

3 options➗ Fractions, Percentages & Ratios

Area Calculator4 options

This area calculator determines the area of a number of common shapes, including rectangle, triangle, trapezoid, circle, sector, ellipse, and parallelogram.

4 options📐 Geometry & Shapes

Ratio Calculator

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